package com.cml.springcloud.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @author cml
 * @create 2021/4/29 15:42
 */
@Mapper
public interface StorageDao {

   //扣减库存信息
   void update(@Param("productId") Long productId,@Param("count") Integer count);
}
